{"product_id":"sun-shade-sail-10-ft-x-21-ft-dark-grey-rectangle-high-uv-block","title":"Sun Shade Sail 10 ft x 21 ft Dark Grey Rectangle - High UV Block","description":"\u003cp\u003eOur review of the SUNLAX 10 ft x 21 ft dark grey rectangle sun shade sail finds it best suited for homeowners who want durable, breathable shade for patios, decks, pergolas or backyard seating areas. The single biggest reason to buy is the fabric's high-density polyethylene construction that delivers up to a 95% shading rate and blocks roughly 95% of UV rays while still allowing cooling breezes and light rain to pass through. Installation is straightforward for anyone comfortable with basic mounting hardware, and the curved edge design keeps the canopy taut and attractive.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh UV protection:\u003c\/strong\u003e The knitted HDPE fabric blocks up to 95% of UV rays, reducing sun exposure for outdoor seating and play areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable mesh:\u003c\/strong\u003e Permeable construction lets air circulate and raindrops pass through, which helps keep covered areas cooler than solid canopies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable seams and fittings:\u003c\/strong\u003e Double strength stitched seams and anti-rust D-rings in each corner improve longevity and resist wear from tension and weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurved edge design:\u003c\/strong\u003e Curved edges help prevent sagging and maintain a clean, contoured appearance over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy mounting:\u003c\/strong\u003e Includes four cords for setup and advises leaving 0.5-1 ft between fixing points and the sail for hardware or rope.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis shade sail is ideal for homeowners, renters with outdoor hooks, and small business owners who need a low-profile but effective sun solution for patios, decks, pergolas or garden seating. Its breathable mesh works well where airflow is desired and where a dappled shade look is preferred over a solid tarp.\u003c\/p\u003e\u003cp\u003eIt is not aimed at users who need a fully waterproof cover or a rigid, permanent roof; the product is explicitly not waterproof and requires separate mounting hardware if permanent fixtures are desired. Those requiring exact edge-to-edge measurements for preinstalled hardware should note the measurement tolerance described by the maker.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh shading rate and UV block give effective sun protection for outdoor living spaces.\u003c\/li\u003e\n\u003cli\u003ePermeable mesh allows cooling breezes and reduces heat buildup under the sail.\u003c\/li\u003e\n\u003cli\u003eQuality construction with double-stitched seams and anti-rust D-rings supports long-term use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot waterproof, so it offers only sun protection and light rain passage rather than full shelter.\u003c\/li\u003e\n\u003cli\u003eLength is measured from D-ring to D-ring with a tolerance up to 4 in, so exact sizing for rigid mounts requires care.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSUNLAX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e10 ft x 21 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRectangle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-density polyethylene knitted mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShading rate\u003c\/td\u003e\n\u003ctd\u003e90%-95% (dark series), white series 80%-85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV blocking\u003c\/td\u003e\n\u003ctd\u003eBlocks up to 95% of UV rays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003e4 anti-rust D-rings and 4 cords included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe SUNLAX 10 ft x 21 ft dark grey shade sail is a practical, good-value choice for anyone wanting durable sun protection with airflow and a neat appearance. It performs well where breathable shade and UV reduction are priorities, and its reinforced seams and D-rings give confidence for seasonal use. Avoid this sail if you need a waterproof, fully permanent roofing solution.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs the sail waterproof?\u003c\/strong\u003e\u003cbr\u003eNo. The fabric is permeable and permits raindrops to pass through; it is designed for sun shading, not waterproof shelter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat clearance is needed for mounting?\u003c\/strong\u003e\u003cbr\u003eLeave about 0.5-1 ft between the fixing point and the sail for hardware, hooks or rope as recommended by the manufacturer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the package include installation hardware?\u003c\/strong\u003e\u003cbr\u003eThe sail includes 4 cords and has anti-rust D-rings, but additional mounting accessories or permanent hardware should be purchased separately if needed.\u003c\/p\u003e","brand":"SUNLAX","offers":[{"title":"Default Title","offer_id":48186248429787,"sku":"B0C1C38SM8","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81zkp_RjPtL._AC_SL1500_39138546-6ad1-4e93-8ec1-c4f61abe6872.jpg?v=1769446026","url":"https:\/\/gearmusthave.com\/products\/sun-shade-sail-10-ft-x-21-ft-dark-grey-rectangle-high-uv-block","provider":"GearMustHave","version":"1.0","type":"link"}